<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form :model="regForm" :rules="regRules" ref="regFormRef"  class="demo-ruleForm">
      <el-form-item  prop="username">
        <el-input v-model="regForm.username" placeholder="用户米"  prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      <!-- 123 -->
      <el-form-item  prop="password">
        <el-input v-model="regForm.password" placeholder="密码"  prefix-icon="el-icon-user"></el-input>
      </el-form-item>
      <!-- 1234 -->
      <el-form-item  prop="repassword">
        <el-input v-model="regForm.repassword" placeholder=" 确认密码"  prefix-icon="el-icon-user"></el-input>
      </el-form-item>

      <el-form-item>
        <el-button type="primary" class="btn-reg" @click="regUser">注册</el-button>
        <el-link type="primary" @click="$router.push('/login')">去登录</el-link>
      </el-form-item>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  data () {
    return {
      regForm: {
        username: '',
        password: '',
        repassword: ''
      },
      regRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z0-9]{1,10}$/, message: '用户名必须是1-10的字母数字', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码必须是5-15的非空字符', trigger: 'blur' }
        ],
        repassword: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '必须是6-15的非空字符', trigger: 'blur' }
        ]
      }
    }
  },
  method: {
    regUser () {
      // 对表单数据进行兜底校验  获取表单对象调用对象里面的一个方法
      // validate
      this.$refs.regFormRef.validate(async valid => {
        // 校验失败
        if (!valid) return
        // 表示表单数据校验合法 通过发送ajax请求 让服务器帮我注册
        const { data: res } = await this.$http({
          method: 'post',
          url: '/api/reg',
          data: {
            ...this.regForm
          }
        })
        // 提示用户
        if (res.code !== 0) return this.$message.error(res.message)
        this.$message.success(res.message)
        // 跳转到登录页
        this.$router.push('/login')
      })
    }
  }
}
</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
  }
}
</style>
